Lens Case Duo 10 protective case for DSLR and Mirrorless lenses – Think Tank Photo
Follow Focus Gears
NOTch Your Typical Focus Gear - Duclos Lenses
TAAB 360-Rotation Following Focus Gear Ring Lens Focus Tab SLR DSLR Lens Accessories - AliExpress
ZEISS Lens Gear (Mini) 2174-298 B&H Photo Video
Why You Should Rent Camera Gear | How To Never Regret A Camera Or Lens Purchase!
Wide Open Camera Universal Lens Gear 605859 B&H Photo Video
Custom Follow Focus Gear for any lens
LENS FOCUS GEAR RING
Follow Focus Gear for any lens
Amazon.com : NEEWER Mini Follow Focus with A/B Stops, Lens Gear Ring, 15mm Rod & Rod Clamp for Cinema Camera, DSLR/Mirrorless Camera, Compatible with Lens Diameter Up to 114mm, PG001 (Silver) :
Review: Seamless Follow Focus Gears for any Lens
Lux Gears - A Follow Focus Lens Gear With Compression Fit – Cool-Lux
Lux Gears Review: Are these the follow focus gears you've been looking for? - Newsshooter